MAP04: The Chasm (Earth)

MAP04: The Chasm is the fourth map of Earth. It was designed by Roger Ritenour.

Secrets

 * 1) From the rocky ledge where the blue key is, you can jump to the rock below containing an armor bonus and a box of shotgun shells. (sector 153)
 * 2) Enter the cave at the start, and when you see two candles in the corner, lower the wall between them. Follow this passage to find arachnotrons guarding a rocket launcher and two medikits. (sector 159)

Current records
The records for the map at the Doom Speed Demo Archive are:

The data was last verified in its entirety on August 31, 2023.

Player spawns
This level contains four spawn points:
 * 1) facing north-east. (thing 7)
 * 2) facing south-west. (thing 8)
 * 3) facing south-west. (thing 9)
 * 4) facing north-east. (thing 10)

Things
This level contains the following numbers of things per skill level: